One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,3,4)(7,11)(10,12)(14,18)(16,24)(19,21)(22,28)(29,30)(31,34)(32,37)(33,38)(35,39)(36,41)(40,42)(43,44)(6,9)(10,12)(14,18)(16,24)(19,21)(22,28)(30,31)(32,39)(33,41)(42,43) involution — undirected(5,6)(7,10)(8,9)(11,12)(13,14)(15,21)(16,20)(17,18)(19,23)(22,27)(24,25)(26,28)(29,31,34,30)(32,37,39,35)(33,36,41,38)(40,42,44,43)(1,2)(3,4)(13,15,17,23)(14,19,18,21)(16,22,24,28)(20,26,25,27)(29,32)(30,35)(31,37)(33,40)(34,39)(36,42)(38,43)(41,44)(5,7)(6,10)(8,11)(9,12)(13,16,17,24)(14,20,18,25)(15,22,23,28)(19,26,21,27)(29,33)(30,36)(31,38)(32,40)(34,41)(35,42)(37,43)(39,44)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.